Nova Florida DELFIS Monothermal - 4 Testing the Boiler; Preliminary Checks; Switching on and Switching off

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Testing the boiler
4. Testing the boiler
4.1 Preliminary checks
Before testing the boiler, it is recommended to check the following:
• the ue gas venting duct and the relative terminal are installed in conformity with the instructions: there must be no leakage of
combustion by-products from any of the gaskets.
• the supply power to the boiler must be 230 V ~ 50 Hz;
• the system is correctly lled with water (pressure gauge reading 1 to 1.3 bar);
• any shut-o cocks in the system pipes are open;
• the mains gas type is correct for the boiler calibration: convert the boiler to the available gas when necessary; this operation must only be
performed by qualied technical personnel;
• the gas supply cock is open;
• there are no fuel gas leaks;
• the main switch installed ahead of the boiler is turned on;
• the 3-bar safety valve is not stuck;
• there are no water leaks;
WARNING
Should the boiler not be installed in compliance with the prevailing laws and standards, notify the system supervisor and do not
test the boiler.
4.2 Switching on and switching o
To switch the boiler on and o, refer to the “Instructions for the User”.